.d-list {
    width: 100%;
    height: 950px;
    overflow: scroll;
    background-color: rgb(236, 236, 236);
    border-radius: 6px;
    padding: 30px;
    box-sizing: border-box;
    position: relative;
}

.d-list::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 10px;
    /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}

.d-list::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    border-radius: 10px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    background: #535353;
}

.d-list::-webkit-scrollbar-track {
    /*滚动条里面轨道*/
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    background: #dddddd;
}